-
公开(公告)号：US3419542A
公开(公告)日：1968-12-31
申请号：US49008165
申请日：1965-09-24
Applicant: HOECHST AG
Inventor： FRITZ MEININGER , HELMUT STEUERNAGEL , HEINRICH FROLICH
IPC: C09B62/44 , C09B62/507 , C09B62/515
CPC classification number: C09B62/507 , C09B62/4411 , C09B62/4416 , C09B62/515
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
